I finished The Mortal Instruments series by Cassandra Clare a month and a half ago or so and I have to say i fell in love with the characters. The books had the right amount of romance for my taste. I am a sci-fi book addict, to tell you the truth, and I could not stop reading the books. During my exam period. I finished the last book of the series (The City of Heavenly Fire). It was a little tiring but just in the beginning :)
I also read the Bane Chronicles, associated with TMI, as well as TID.
Currently I am reading Clockwork Angel, the first book of the Infernal Devices Series.